Patent US3378022A successfully refreshed from Google Patents.
US3378022A
Expired / Lapsed
US
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Fluid flow sensing system
Assignee: Johnson Controls International Inc
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Filing: 1964-04-06
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Granted: 1968-04-16
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Paul H Sorenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:28
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/035; F; F15; F15B; F15B5/00; F15C; F15C1/00; F15C1/20; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/366; G05D7/00; G05D7/01; G05D7/0193; G05D7/03; F16; F16L; F16L2101/00; F16L2101/30; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2065; Y10T137/2071; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2164; Y10T137/2169; Y10T137/2174; Y10T137/7722; Y10T137/7758; Y10T137/7759
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN A VELOCITY RESPONSIVE CONTROL SYSTEM FOR CREATING A CONTROL SIGNAL IN ACCORDANCE WITH THE VELOCITY OF FLOW AT A SELECTED POSITION IN A DUCT, A STATIC PRESSURE PROBE HAVING MEANS TO MOUNT THE PROBE WITHIN THE DUCT AND ESTABLISHING A SIGNAL STREAM PROPORTIONAL TO THE STATIC PRESSURE, A TOTAL PRESSURE PROBE HAVING MEANS TO MOUNT THE PROBE WITHIN THE DUCT ADJACENT THE STATIC PRESSURE PROBE AND ESTABLISHING A SIGNAL STREAM PROPORTIONAL TO THE TOTAL PRESSURE, AN IMPACT MODULATOR HAVING A PAIR OF SPACED AND ALIGNED OPPOSED ORIFICES CONNECTED RESPECTIVELY TO THE STATIC PRESSURE PROBE AND TO THE TOTAL PRESSURE PROBE TO ESTABLISH A PAIR OF OPPOSED IMPACTING STREAMS AND A CONTROL ORIFICE FORMING A PART OF AN OUTPUT CHAMBER WITH ONE OF SAID OPPOSED IMPACTING STREAMS ENTERING THE CONTROL ORIFICE FROM WITHIN THE OUTPUT CHAMBER, SAID CONTROL ORIFICE BEING ALIGNED WITH SAID OPPOSED ORIFICES AND HAVING THE IMPACTING STREAMS ESTABLISHING AN IMPACT POSITION WITH RESPECT TO SAID CONTROL ORIFICE AND CREATING AN OUTPUT STREAM IN AN OUTPUT ORIFICE FROM THE OUTPUT CHAMBER PROPORTIONAL TO THE DIFFERENCE IN THE STRENGTHS OF THE TWO IMPACTING STREAMS.
Claim 2
Dependent Claim
185 words
IN A VELOCITY RESPONSIVE CONTROL SYSTEM FOR CREATING A CONTROL SIGNAL IN ACCORDANCE WITH THE VELOCITY OF FLOW AT A SELECTED POSITION IN A DUCT, A STATIC PRESSURE PROBE HAVING MEANS TO MOUNT THE PROBE WITHIN THE DUCT AND ESTABLISHING A SIGNAL STREAM PROPORTIONAL TO THE STATIC PRESSURE, A TOTAL PRESSURE PROBE HAVING MEANS TO MOUNT THE PROBE WITHIN THE DUCT ADJACENT THE STATIC PRESSURE PROBE AND ESTABLISHING A SIGNAL STREAM PROPORTIONAL TO THE TOTAL PRESSURE, AN IMPACT MODULATOR HAVING A PAIR OF SPACED AND ALIGNED OPPOSED ORIFICES CONNECTED RESPECTIVELY TO THE STATIC PRESSURE PROBE AND TO THE TOTAL PRESSURE PROBE TO ESTABLISH A PAIR OF OPPOSED IMPACTING STREAMS AND A CONTROL ORIFICE FORMING A PART OF AN OUTPUT CHAMBER WITH ONE OF SAID OPPOSED IMPACTING STREAMS ENTERING THE CONTROL ORIFICE FROM WITHIN THE OUTPUT CHAMBER, SAID CONTROL ORIFICE BEING ALIGNED WITH SAID OPPOSED ORIFICES AND HAVING THE IMPACTING STREAMS ESTABLISHING AN IMPACT POSITION WITH RESPECT TO SAID CONTROL ORIFICE AND CREATING AN OUTPUT STREAM IN AN OUTPUT ORIFICE FROM THE OUTPUT CHAMBER PROPORTIONAL TO THE DIFFERENCE IN THE STRENGTHS OF THE TWO IMPACTING STREAMS.
References Cited (Backward Citations)
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |